src/filemanager/achown.c

   1 /* Chown-advanced command -- for the Midnight Commander
   2    Copyright (C) 1994, 1995, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
   3    2005, 2007 Free Software Foundation, Inc.
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 2 of the License, or
   8    (at your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program; if not, write to the Free Software
  17    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  */
  19
  20 /** \file achown.c
  21  *  \brief Source: Contains functions for advanced chowning
  22  */
  23
  24 #include <config.h>
  25
  26 #include <errno.h>
  27 #include <stdio.h>
  28 #include <string.h>
  29
  30 #include <sys/types.h>
  31 #include <sys/stat.h>
  32 #include <unistd.h>
  33 #include <pwd.h>
  34 #include <grp.h>
  35
  36 #include "lib/global.h"
  37
  38 #include "lib/tty/tty.h"
  39 #include "lib/tty/key.h"        /* XCTRL and ALT macros */
  40 #include "lib/skin.h"
  41 #include "lib/strutil.h"
  42 #include "lib/vfs/mc-vfs/vfs.h"
  43 #include "lib/util.h"
  44 #include "lib/widget.h"
  45
  46 #include "dir.h"
  47 #include "midnight.h"           /* current_panel */
  48 #include "chmod.h"
  49 #include "layout.h"             /* repaint_screen() */
  50
  51 #include "achown.h"
  52
  53 /*** global variables ****************************************************************************/
  54
  55 /*** file scope macro definitions ****************************************************************/
  56
  57 #define BX              5
  58 #define BY              6
  59
  60 #define TX              50
  61 #define TY              2
  62
  63 #define BUTTONS         9
  64
  65 #define B_SETALL        B_USER
  66 #define B_SKIP          (B_USER + 1)
  67
  68 #define B_OWN           (B_USER + 3)
  69 #define B_GRP           (B_USER + 4)
  70 #define B_OTH           (B_USER + 5)
  71 #define B_OUSER         (B_USER + 6)
  72 #define B_OGROUP        (B_USER + 7)
  73
  74 /*** file scope type declarations ****************************************************************/
  75
  76 /*** file scope variables ************************************************************************/
  77
  78 static struct Dlg_head *ch_dlg;
  79
  80 static struct
  81 {
  82     int ret_cmd, flags, y, x;
  83     const char *text;
  84 } chown_advanced_but[BUTTONS] =
  85 {
  86     /* *INDENT-OFF* */
  87     { B_CANCEL, NORMAL_BUTTON, 4, 53, N_("&Cancel") },
  88     { B_ENTER,  DEFPUSH_BUTTON,4, 40, N_("&Set") },
  89     { B_SKIP,   NORMAL_BUTTON, 4, 23, N_("S&kip") },
  90     { B_SETALL, NORMAL_BUTTON, 4,  0, N_("Set &all")},
  91     { B_ENTER,  NARROW_BUTTON, 0, 47, ""},
  92     { B_ENTER,  NARROW_BUTTON, 0, 29, ""},
  93     { B_ENTER,  NARROW_BUTTON, 0, 19, "   "},
  94     { B_ENTER,  NARROW_BUTTON, 0, 11, "   "},
  95     { B_ENTER,  NARROW_BUTTON, 0,  3, "   "}
  96     /* *INDENT-ON* */
  97 };
  98
  99 static WButton *b_att[3];       /* permission */
 100 static WButton *b_user, *b_group;       /* owner */
 101
 102 static int files_on_begin;      /* Number of files at startup */
 103 static int flag_pos;
 104 static int x_toggle;
 105 static char ch_flags[11];
 106 static const char ch_perm[] = "rwx";
 107 static mode_t ch_cmode;
 108 static struct stat *sf_stat;
 109 static int need_update;
 110 static int end_chown;
 111 static int current_file;
 112 static int single_set;
 113 static char *fname;
 114
 115 /*** file scope functions ************************************************************************/
 116 /* --------------------------------------------------------------------------------------------- */
 117
 118 static void
 119 update_ownership (void)
 120 {
 121     button_set_text (b_user, get_owner (sf_stat->st_uid));
 122     button_set_text (b_group, get_group (sf_stat->st_gid));
 123 }
 124
 125 /* --------------------------------------------------------------------------------------------- */
 126
 127 static cb_ret_t
 128 inc_flag_pos (int f_pos)
 129 {
 130     if (flag_pos == 10)
 131     {
 132         flag_pos = 0;
 133         return MSG_NOT_HANDLED;
 134     }
 135     flag_pos++;
 136     if (!(flag_pos % 3) || f_pos > 2)
 137         return MSG_NOT_HANDLED;
 138     return MSG_HANDLED;
 139 }
 140
 141 /* --------------------------------------------------------------------------------------------- */
 142
 143 static cb_ret_t
 144 dec_flag_pos (int f_pos)
 145 {
 146     if (!flag_pos)
 147     {
 148         flag_pos = 10;
 149         return MSG_NOT_HANDLED;
 150     }
 151     flag_pos--;
 152     if (!((flag_pos + 1) % 3) || f_pos > 2)
 153         return MSG_NOT_HANDLED;
 154     return MSG_HANDLED;
 155 }
 156
 157 /* --------------------------------------------------------------------------------------------- */
 158
 159 static void
 160 set_perm_by_flags (char *s, int f_p)
 161 {
 162     int i;
 163
 164     for (i = 0; i < 3; i++)
 165     {
 166         if (ch_flags[f_p + i] == '+')
 167             s[i] = ch_perm[i];
 168         else if (ch_flags[f_p + i] == '-')
 169             s[i] = '-';
 170         else
 171             s[i] = (ch_cmode & (1 << (8 - f_p - i))) ? ch_perm[i] : '-';
 172     }
 173 }
 174
 175 /* --------------------------------------------------------------------------------------------- */
 176
 177 static void
 178 update_permissions (void)
 179 {
 180     set_perm_by_flags (b_att[0]->text.start, 0);
 181     set_perm_by_flags (b_att[1]->text.start, 3);
 182     set_perm_by_flags (b_att[2]->text.start, 6);
 183 }
 184
 185 /* --------------------------------------------------------------------------------------------- */
 186
 187 static mode_t
 188 get_perm (char *s, int base)
 189 {
 190     mode_t m;
 191
 192     m = 0;
 193     m |= (s[0] == '-') ? 0 :
 194         ((s[0] == '+') ? (mode_t) (1 << (base + 2)) : (1 << (base + 2)) & ch_cmode);
 195
 196     m |= (s[1] == '-') ? 0 :
 197         ((s[1] == '+') ? (mode_t) (1 << (base + 1)) : (1 << (base + 1)) & ch_cmode);
 198
 199     m |= (s[2] == '-') ? 0 : ((s[2] == '+') ? (mode_t) (1 << base) : (1 << base) & ch_cmode);
 200
 201     return m;
 202 }
 203
 204 /* --------------------------------------------------------------------------------------------- */
 205
 206 static mode_t
 207 get_mode (void)
 208 {
 209     mode_t m;
 210
 211     m = ch_cmode ^ (ch_cmode & 0777);
 212     m |= get_perm (ch_flags, 6);
 213     m |= get_perm (ch_flags + 3, 3);
 214     m |= get_perm (ch_flags + 6, 0);
 215
 216     return m;
 217 }
 218
 219 /* --------------------------------------------------------------------------------------------- */
 220
 221 static void
 222 print_flags (void)
 223 {
 224     int i;
 225
 226     tty_setcolor (COLOR_NORMAL);
 227
 228     for (i = 0; i < 3; i++)
 229     {
 230         dlg_move (ch_dlg, BY + 1, 9 + i);
 231         tty_print_char (ch_flags[i]);
 232     }
 233
 234     for (i = 0; i < 3; i++)
 235     {
 236         dlg_move (ch_dlg, BY + 1, 17 + i);
 237         tty_print_char (ch_flags[i + 3]);
 238     }
 239
 240     for (i = 0; i < 3; i++)
 241     {
 242         dlg_move (ch_dlg, BY + 1, 25 + i);
 243         tty_print_char (ch_flags[i + 6]);
 244     }
 245
 246     update_permissions ();
 247
 248     for (i = 0; i < 15; i++)
 249     {
 250         dlg_move (ch_dlg, BY + 1, 35 + i);
 251         tty_print_char (ch_flags[9]);
 252     }
 253     for (i = 0; i < 15; i++)
 254     {
 255         dlg_move (ch_dlg, BY + 1, 53 + i);
 256         tty_print_char (ch_flags[10]);
 257     }
 258 }
 259
 260 /* --------------------------------------------------------------------------------------------- */
 261
 262 static void
 263 update_mode (Dlg_head * h)
 264 {
 265     print_flags ();
 266     tty_setcolor (COLOR_NORMAL);
 267     dlg_move (h, BY + 2, 9);
 268     tty_printf ("%12o", get_mode ());
 269     send_message ((Widget *) h->current->data, WIDGET_FOCUS, 0);
 270 }
 271
 272 /* --------------------------------------------------------------------------------------------- */
 273
 274 static cb_ret_t
 275 chl_callback (Dlg_head * h, Widget * sender, dlg_msg_t msg, int parm, void *data)
 276 {
 277     switch (msg)
 278     {
 279     case DLG_KEY:
 280         switch (parm)
 281         {
 282         case KEY_LEFT:
 283         case KEY_RIGHT:
 284             h->ret_value = parm;
 285             dlg_stop (h);
 286         }
 287
 288     default:
 289         return default_dlg_callback (h, sender, msg, parm, data);
 290     }
 291 }
 292
 293 /* --------------------------------------------------------------------------------------------- */
 294
 295 static void
 296 do_enter_key (Dlg_head * h, int f_pos)
 297 {
 298     Dlg_head *chl_dlg;
 299     WListbox *chl_list;
 300     struct passwd *chl_pass;
 301     struct group *chl_grp;
 302     int fe;
 303     int lxx, lyy, chl_end, b_pos;
 304     int is_owner;
 305     const char *title;
 306
 307     do
 308     {
 309         is_owner = (f_pos == 3);
 310         title = is_owner ? _("owner") : _("group");
 311
 312         lxx = (COLS - 74) / 2 + (is_owner ? 35 : 53);
 313         lyy = (LINES - 13) / 2;
 314         chl_end = 0;
 315
 316         chl_dlg =
 317             create_dlg (TRUE, lyy, lxx, 13, 17, dialog_colors, chl_callback,
 318                         "[Advanced Chown]", title, DLG_COMPACT | DLG_REVERSE);
 319
 320         /* get new listboxes */
 321         chl_list = listbox_new (1, 1, 11, 15, FALSE, NULL);
 322
 323         listbox_add_item (chl_list, LISTBOX_APPEND_AT_END, 0, "<Unknown>", NULL);
 324
 325         if (is_owner)
 326         {
 327             /* get and put user names in the listbox */
 328             setpwent ();
 329             while ((chl_pass = getpwent ()))
 330             {
 331                 listbox_add_item (chl_list, LISTBOX_APPEND_SORTED, 0, chl_pass->pw_name, NULL);
 332             }
 333             endpwent ();
 334             fe = listbox_search_text (chl_list, get_owner (sf_stat->st_uid));
 335         }
 336         else
 337         {
 338             /* get and put group names in the listbox */
 339             setgrent ();
 340             while ((chl_grp = getgrent ()))
 341             {
 342                 listbox_add_item (chl_list, LISTBOX_APPEND_SORTED, 0, chl_grp->gr_name, NULL);
 343             }
 344             endgrent ();
 345             fe = listbox_search_text (chl_list, get_group (sf_stat->st_gid));
 346         }
 347
 348         listbox_select_entry (chl_list, fe);
 349
 350         b_pos = chl_list->pos;
 351         add_widget (chl_dlg, chl_list);
 352
 353         run_dlg (chl_dlg);
 354
 355         if (b_pos != chl_list->pos)
 356         {
 357             int ok = 0;
 358             char *text;
 359
 360             listbox_get_current (chl_list, &text, NULL);
 361             if (is_owner)
 362             {
 363                 chl_pass = getpwnam (text);
 364                 if (chl_pass)
 365                 {
 366                     ok = 1;
 367                     sf_stat->st_uid = chl_pass->pw_uid;
 368                 }
 369             }
 370             else
 371             {
 372                 chl_grp = getgrnam (text);
 373                 if (chl_grp)
 374                 {
 375                     sf_stat->st_gid = chl_grp->gr_gid;
 376                     ok = 1;
 377                 }
 378             }
 379             if (ok)
 380             {
 381                 ch_flags[f_pos + 6] = '+';
 382                 update_ownership ();
 383             }
 384             dlg_focus (h);
 385             if (ok)
 386                 print_flags ();
 387         }
 388         if (chl_dlg->ret_value == KEY_LEFT)
 389         {
 390             if (!is_owner)
 391                 chl_end = 1;
 392             dlg_one_up (ch_dlg);
 393             f_pos--;
 394         }
 395         else if (chl_dlg->ret_value == KEY_RIGHT)
 396         {
 397             if (is_owner)
 398                 chl_end = 1;
 399             dlg_one_down (ch_dlg);
 400             f_pos++;
 401         }
 402         /* Here we used to redraw the window */
 403         destroy_dlg (chl_dlg);
 404     }
 405     while (chl_end);
 406 }
 407
 408 /* --------------------------------------------------------------------------------------------- */
 409
 410 static void
 411 chown_refresh (void)
 412 {
 413     common_dialog_repaint (ch_dlg);
 414
 415     tty_setcolor (COLOR_NORMAL);
 416
 417     dlg_move (ch_dlg, BY - 1, 8);
 418     tty_print_string (_("owner"));
 419     dlg_move (ch_dlg, BY - 1, 16);
 420     tty_print_string (_("group"));
 421     dlg_move (ch_dlg, BY - 1, 24);
 422     tty_print_string (_("other"));
 423
 424     dlg_move (ch_dlg, BY - 1, 35);
 425     tty_print_string (_("owner"));
 426     dlg_move (ch_dlg, BY - 1, 53);
 427     tty_print_string (_("group"));
 428
 429     dlg_move (ch_dlg, 3, 4);
 430     tty_print_string (_("On"));
 431     dlg_move (ch_dlg, BY + 1, 4);
 432     tty_print_string (_("Flag"));
 433     dlg_move (ch_dlg, BY + 2, 4);
 434     tty_print_string (_("Mode"));
 435
 436     if (!single_set)
 437     {
 438         dlg_move (ch_dlg, 3, 54);
 439         tty_printf (_("%6d of %d"), files_on_begin - (current_panel->marked) + 1, files_on_begin);
 440     }
 441
 442     print_flags ();
 443 }
 444
 445 /* --------------------------------------------------------------------------------------------- */
 446
 447 static void
 448 chown_info_update (void)
 449 {
 450     /* display file info */
 451     tty_setcolor (COLOR_NORMAL);
 452
 453     /* name && mode */
 454     dlg_move (ch_dlg, 3, 8);
 455     tty_print_string (str_fit_to_term (fname, 45, J_LEFT_FIT));
 456     dlg_move (ch_dlg, BY + 2, 9);
 457     tty_printf ("%12o", get_mode ());
 458
 459     /* permissions */
 460     update_permissions ();
 461 }
 462
 463 /* --------------------------------------------------------------------------------------------- */
 464
 465 static void
 466 b_setpos (int f_pos)
 467 {
 468     b_att[0]->hotpos = -1;
 469     b_att[1]->hotpos = -1;
 470     b_att[2]->hotpos = -1;
 471     b_att[f_pos]->hotpos = (flag_pos % 3);
 472 }
 473
 474 /* --------------------------------------------------------------------------------------------- */
 475
 476 static cb_ret_t
 477 advanced_chown_callback (Dlg_head * h, Widget * sender, dlg_msg_t msg, int parm, void *data)
 478 {
 479     int i = 0, f_pos = BUTTONS - dlg_get_current_widget_id (h) - single_set - 1;
 480
 481     switch (msg)
 482     {
 483     case DLG_DRAW:
 484         chown_refresh ();
 485         chown_info_update ();
 486         return MSG_HANDLED;
 487
 488     case DLG_POST_KEY:
 489         if (f_pos < 3)
 490             b_setpos (f_pos);
 491         return MSG_HANDLED;
 492
 493     case DLG_FOCUS:
 494         if (f_pos < 3)
 495         {
 496             if ((flag_pos / 3) != f_pos)
 497                 flag_pos = f_pos * 3;
 498             b_setpos (f_pos);
 499         }
 500         else if (f_pos < 5)
 501             flag_pos = f_pos + 6;
 502         return MSG_HANDLED;
 503
 504     case DLG_KEY:
 505         switch (parm)
 506         {
 507
 508         case XCTRL ('b'):
 509         case KEY_LEFT:
 510             if (f_pos < 5)
 511                 return (dec_flag_pos (f_pos));
 512             break;
 513
 514         case XCTRL ('f'):
 515         case KEY_RIGHT:
 516             if (f_pos < 5)
 517                 return (inc_flag_pos (f_pos));
 518             break;
 519
 520         case ' ':
 521             if (f_pos < 3)
 522                 return MSG_HANDLED;
 523             break;
 524
 525         case '\n':
 526         case KEY_ENTER:
 527             if (f_pos <= 2 || f_pos >= 5)
 528                 break;
 529             do_enter_key (h, f_pos);
 530             return MSG_HANDLED;
 531
 532         case ALT ('x'):
 533             i++;
 534
 535         case ALT ('w'):
 536             i++;
 537
 538         case ALT ('r'):
 539             parm = i + 3;
 540             for (i = 0; i < 3; i++)
 541                 ch_flags[i * 3 + parm - 3] = (x_toggle & (1 << parm)) ? '-' : '+';
 542             x_toggle ^= (1 << parm);
 543             update_mode (h);
 544             dlg_broadcast_msg (h, WIDGET_DRAW, FALSE);
 545             send_message ((Widget *) h->current->data, WIDGET_FOCUS, 0);
 546             break;
 547
 548         case XCTRL ('x'):
 549             i++;
 550
 551         case XCTRL ('w'):
 552             i++;
 553
 554         case XCTRL ('r'):
 555             parm = i;
 556             for (i = 0; i < 3; i++)
 557                 ch_flags[i * 3 + parm] = (x_toggle & (1 << parm)) ? '-' : '+';
 558             x_toggle ^= (1 << parm);
 559             update_mode (h);
 560             dlg_broadcast_msg (h, WIDGET_DRAW, FALSE);
 561             send_message ((Widget *) h->current->data, WIDGET_FOCUS, 0);
 562             break;
 563
 564         case 'x':
 565             i++;
 566
 567         case 'w':
 568             i++;
 569
 570         case 'r':
 571             if (f_pos > 2)
 572                 break;
 573             flag_pos = f_pos * 3 + i;   /* (strchr(ch_perm,parm)-ch_perm); */
 574             if (((WButton *) h->current->data)->text.start[(flag_pos % 3)] == '-')
 575                 ch_flags[flag_pos] = '+';
 576             else
 577                 ch_flags[flag_pos] = '-';
 578             update_mode (h);
 579             break;
 580
 581         case '4':
 582             i++;
 583
 584         case '2':
 585             i++;
 586
 587         case '1':
 588             if (f_pos > 2)
 589                 break;
 590             flag_pos = i + f_pos * 3;
 591             ch_flags[flag_pos] = '=';
 592             update_mode (h);
 593             break;
 594
 595         case '-':
 596             if (f_pos > 2)
 597                 break;
 598
 599         case '*':
 600             if (parm == '*')
 601                 parm = '=';
 602
 603         case '=':
 604         case '+':
 605             if (f_pos <= 4)
 606             {
 607                 ch_flags[flag_pos] = parm;
 608                 update_mode (h);
 609                 advanced_chown_callback (h, sender, DLG_KEY, KEY_RIGHT, NULL);
 610                 if (flag_pos > 8 || !(flag_pos % 3))
 611                     dlg_one_down (h);
 612             }
 613             break;
 614         }
 615         return MSG_NOT_HANDLED;
 616
 617     default:
 618         return default_dlg_callback (h, sender, msg, parm, data);
 619     }
 620 }
 621
 622 /* --------------------------------------------------------------------------------------------- */
 623
 624 static void
 625 init_chown_advanced (void)
 626 {
 627     int i;
 628     enum
 629     { dlg_h = 13, dlg_w = 74, n_elem = 4 };
 630 #ifdef ENABLE_NLS
 631     static int i18n_len = 0;
 632
 633     if (i18n_len == 0)
 634     {
 635         int dx, cx;
 636         for (i = 0; i < n_elem; i++)
 637         {
 638             chown_advanced_but[i].text = _(chown_advanced_but[i].text);
 639             i18n_len += str_term_width1 (chown_advanced_but[i].text) + 3;
 640             if (DEFPUSH_BUTTON == chown_advanced_but[i].flags)
 641                 i18n_len += 2;  /* "<>" */
 642         }
 643         cx = dx = (dlg_w - i18n_len - 2) / (n_elem + 1);
 644
 645         /* Reversed order */
 646         for (i = n_elem - 1; i >= 0; i--)
 647         {
 648             chown_advanced_but[i].x = cx;
 649             cx += str_term_width1 (chown_advanced_but[i].text) + 3 + dx;
 650         }
 651     }
 652 #endif /* ENABLE_NLS */
 653
 654     sf_stat = g_new (struct stat, 1);
 655     do_refresh ();
 656     end_chown = need_update = current_file = 0;
 657     single_set = (current_panel->marked < 2) ? 2 : 0;
 658     memset (ch_flags, '=', 11);
 659     flag_pos = 0;
 660     x_toggle = 070;
 661
 662     ch_dlg =
 663         create_dlg (TRUE, 0, 0, dlg_h, dlg_w, dialog_colors, advanced_chown_callback,
 664                     "[Advanced Chown]", _("Chown advanced command"), DLG_CENTER | DLG_REVERSE);
 665
 666 #define XTRACT(i) BY+chown_advanced_but[i].y, BX+chown_advanced_but[i].x, \
 667         chown_advanced_but[i].ret_cmd, chown_advanced_but[i].flags, \
 668         (chown_advanced_but[i].text), 0
 669
 670     for (i = 0; i < BUTTONS - 5; i++)
 671         if (!single_set || i < 2)
 672             add_widget (ch_dlg, button_new (XTRACT (i)));
 673
 674     b_att[0] = button_new (XTRACT (8));
 675     b_att[1] = button_new (XTRACT (7));
 676     b_att[2] = button_new (XTRACT (6));
 677     b_user = button_new (XTRACT (5));
 678     b_group = button_new (XTRACT (4));
 679
 680     add_widget (ch_dlg, b_group);
 681     add_widget (ch_dlg, b_user);
 682     add_widget (ch_dlg, b_att[2]);
 683     add_widget (ch_dlg, b_att[1]);
 684     add_widget (ch_dlg, b_att[0]);
 685 }
 686
 687 /* --------------------------------------------------------------------------------------------- */
 688
 689 static void
 690 chown_advanced_done (void)
 691 {
 692     g_free (sf_stat);
 693     if (need_update)
 694         update_panels (UP_OPTIMIZE, UP_KEEPSEL);
 695     repaint_screen ();
 696 }
 697
 698 /* --------------------------------------------------------------------------------------------- */
 699
 700 #if 0
 701 static void
 702 do_chown (uid_t u, gid_t g)
 703 {
 704     chown (current_panel->dir.list[current_file].fname, u, g);
 705     file_mark (current_panel, current_file, 0);
 706 }
 707 #endif
 708
 709 /* --------------------------------------------------------------------------------------------- */
 710
 711 static char *
 712 next_file (void)
 713 {
 714     while (!current_panel->dir.list[current_file].f.marked)
 715         current_file++;
 716
 717     return current_panel->dir.list[current_file].fname;
 718 }
 719
 720 /* --------------------------------------------------------------------------------------------- */
 721
 722 static void
 723 apply_advanced_chowns (struct stat *sf)
 724 {
 725     char *lc_fname;
 726     gid_t a_gid = sf->st_gid;
 727     uid_t a_uid = sf->st_uid;
 728
 729     lc_fname = current_panel->dir.list[current_file].fname;
 730     need_update = end_chown = 1;
 731     if (mc_chmod (lc_fname, get_mode ()) == -1)
 732         message (D_ERROR, MSG_ERROR, _("Cannot chmod \"%s\"\n%s"),
 733                  lc_fname, unix_error_string (errno));
 734     /* call mc_chown only, if mc_chmod didn't fail */
 735     else if (mc_chown (lc_fname, (ch_flags[9] == '+') ? sf->st_uid : (uid_t) - 1,
 736                        (ch_flags[10] == '+') ? sf->st_gid : (gid_t) - 1) == -1)
 737         message (D_ERROR, MSG_ERROR, _("Cannot chown \"%s\"\n%s"),
 738                  lc_fname, unix_error_string (errno));
 739     do_file_mark (current_panel, current_file, 0);
 740
 741     do
 742     {
 743         lc_fname = next_file ();
 744
 745         if (mc_stat (lc_fname, sf) != 0)
 746             break;
 747         ch_cmode = sf->st_mode;
 748         if (mc_chmod (lc_fname, get_mode ()) == -1)
 749             message (D_ERROR, MSG_ERROR, _("Cannot chmod \"%s\"\n%s"),
 750                      lc_fname, unix_error_string (errno));
 751         /* call mc_chown only, if mc_chmod didn't fail */
 752         else if (mc_chown (lc_fname, (ch_flags[9] == '+') ? a_uid : (uid_t) - 1,
 753                            (ch_flags[10] == '+') ? a_gid : (gid_t) - 1) == -1)
 754             message (D_ERROR, MSG_ERROR, _("Cannot chown \"%s\"\n%s"),
 755                      lc_fname, unix_error_string (errno));
 756
 757         do_file_mark (current_panel, current_file, 0);
 758     }
 759     while (current_panel->marked);
 760 }
 761
 762 /* --------------------------------------------------------------------------------------------- */
 763 /*** public functions ****************************************************************************/
 764 /* --------------------------------------------------------------------------------------------- */
 765
 766 void
 767 chown_advanced_cmd (void)
 768 {
 769
 770     files_on_begin = current_panel->marked;
 771
 772     do
 773     {                           /* do while any files remaining */
 774         init_chown_advanced ();
 775
 776         if (current_panel->marked)
 777             fname = next_file ();       /* next marked file */
 778         else
 779             fname = selection (current_panel)->fname;   /* single file */
 780
 781         if (mc_stat (fname, sf_stat) != 0)
 782         {                       /* get status of file */
 783             destroy_dlg (ch_dlg);
 784             break;
 785         }
 786         ch_cmode = sf_stat->st_mode;
 787
 788         chown_refresh ();
 789
 790         update_ownership ();
 791
 792         /* game can begin */
 793         run_dlg (ch_dlg);
 794
 795         switch (ch_dlg->ret_value)
 796         {
 797         case B_CANCEL:
 798             end_chown = 1;
 799             break;
 800
 801         case B_ENTER:
 802             need_update = 1;
 803             if (mc_chmod (fname, get_mode ()) == -1)
 804                 message (D_ERROR, MSG_ERROR, _("Cannot chmod \"%s\"\n%s"),
 805                          fname, unix_error_string (errno));
 806             /* call mc_chown only, if mc_chmod didn't fail */
 807             else if (mc_chown (fname, (ch_flags[9] == '+') ? sf_stat->st_uid : (uid_t) - 1,
 808                                (ch_flags[10] == '+') ? sf_stat->st_gid : (gid_t) - 1) == -1)
 809                 message (D_ERROR, MSG_ERROR, _("Cannot chown \"%s\"\n%s"),
 810                          fname, unix_error_string (errno));
 811             break;
 812         case B_SETALL:
 813             apply_advanced_chowns (sf_stat);
 814             break;
 815
 816         case B_SKIP:
 817             break;
 818
 819         }
 820
 821         if (current_panel->marked && ch_dlg->ret_value != B_CANCEL)
 822         {
 823             do_file_mark (current_panel, current_file, 0);
 824             need_update = 1;
 825         }
 826         destroy_dlg (ch_dlg);
 827     }
 828     while (current_panel->marked && !end_chown);
 829
 830     chown_advanced_done ();
 831 }
 832
 833 /* --------------------------------------------------------------------------------------------- */